1212313020122 has 8 divisors (see below), whose sum is σ = 1819138339200. Its totient is φ = 605933573724.

The previous prime is 1212313020103. The next prime is 1212313020143. The reversal of 1212313020122 is 2210203132121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 1212313020094 and 1212313020103.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 111461372 + ... + 111472247.

It is an arithmetic number, because the mean of its divisors is an integer number (227392292400).

Almost surely, 2^{1212313020122} is an apocalyptic number.

1212313020122 is a deficient number, since it is larger than the sum of its proper divisors (606825319078).

1212313020122 is a wasteful number, since it uses less digits than its factorization.

1212313020122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222936340.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 1212313020122 its reverse (2210203132121), we get a palindrome (3422516152243).

The spelling of 1212313020122 in words is "one trillion, two hundred twelve billion, three hundred thirteen million, twenty thousand, one hundred twenty-two".